The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 04, 2020

Filed:

Mar. 04, 2016
Applicant:

Dunlop Sports Co. Ltd., Kobe-shi, Hyogo, JP;

Inventor:

Dan S. Nivanh, Tustin, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/00 (2015.01); A63B 60/00 (2015.01); A63B 53/04 (2015.01); A63B 71/06 (2006.01); A63B 53/02 (2015.01);
U.S. Cl.
CPC ...
A63B 53/00 (2013.01); A63B 53/0466 (2013.01); A63B 60/00 (2015.10); A63B 71/06 (2013.01); A63B 2053/023 (2013.01); A63B 2053/027 (2013.01);
Abstract

A golf club includes a striking face, a top portion, a sole portion opposite the top portion, and a shaft assembly. The shaft assembly can include a shaft having a butt end and a tip end, and a shaft sleeve located at the tip end, the shaft sleeve including indicia. The golf club may further include a hosel extending from the top portion, and the hosel can include a sidewall, a tip end, an internal bore for receiving the shaft assembly, a hosel axis, and an aperture extending through, and circumscribed by, the sidewall such that the indicia of the shaft sleeve corresponds with the aperture. The sidewall circumscribing the aperture may include an inner surface having a first thickness Tin a radial direction relative the hosel axis and a chamfered edge having a second thickness Tin the radial direction, T/Tbeing between approximately 3 and 7.33.


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